package user;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import db.DataBaseServlet;

/**
 * Servlet implementation class LoginServlet
 */
@WebServlet(description = "用户登录，同时拉取最近会话设备", urlPatterns = { "/LoginServlet" })

public class LoginServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public LoginServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		//response.getWriter().append("Served at: ").append(request.getContextPath());
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		//doGet(request, response);
		String id = request.getParameter("id");
		// System.out.println(id);
		if(!id.equals("17121899"))
		{
			response.setStatus(404);
			return;
		}
		response.setContentType("text/json;charset=UTF-8");
		PrintWriter out = response.getWriter();
		
		// 查询设备列表
		DataBaseServlet db = DataBaseServlet.DB;
		String data = db.queryUserDeviceList();
		// System.out.println(data);
		out.write(data);
	}

}
